How to determine the amount of fertilizer used in winter wheat

Winter wheat needs more fertilizer. For every 50 kilograms of wheat produced, it needs to absorb 1.4-1.6 kilograms of nitrogen, 0.5-0.75 kilograms of phosphorus, 1.5-2 kilograms of potassium, and the ratio of nitrogen, phosphorus and potassium is about 1:0.33:1. It varies depending on the cultivated variety, soil, climate and other conditions. According to the analysis of wheat plants, 412 kg of winter wheat per mu, from the emergence and tillering to the winter, the nitrogen absorbed by the joints accounts for about 40% of the total growth period, and phosphorus and potassium each account for 20% of the total; At the flowering stage, about 48% of the total nitrogen is absorbed, 67% of the total amount of phosphorus, and 65% of the total amount of potassium.
Source: Henan Science and Technology News

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